Network Security Engineer Industry-Specific Questions

1. What are the key differences between stateful and stateless firewalls, and in what scenarios would you use each type?

2. Can you explain how the OSI model relates to network security, and provide examples of how security measures can be applied at each layer?

3. What common vulnerabilities are associated with network protocols such as TCP/IP, and how would you mitigate these risks?

4. Describe the process of implementing a VPN solution and the security considerations you need to keep in mind while configuring it.

5. How would you approach detecting and responding to a Distributed Denial of Service (DDoS) attack on a company’s network?

6. Discuss the importance of network segmentation and how it can enhance security within an enterprise environment.

7. Can you explain the concepts of Zero Trust Architecture and how they apply to network security strategies?

8. How do you assess the security posture of a network, and what tools or methodologies do you use for vulnerability assessments?

9. Describe a time when you had to secure a network infrastructure while ensuring minimal disruption to business operations. What strategies did you implement?

10. What role does threat intelligence play in shaping an organization's network security policies, and how do you gather and utilize it?